Model - ER-20 Spring Collet, 1/4-inch Clamping Diameter.
Material - 40Cr Steel, close clamping and stable cutting.
Precision - 0.03mm / 0.0012-inch. High precision.
Applications - Widely used in machining centers, general milling machines, CNC milling machine, engraving machine, high-speed machines, and other processing.
